Nielsen ratings

Prime-time viewership, in millions, compiled by Nielsen for the week ending Sept. 1.

1. "Under the Dome," CBS, 11.12, starring Dean Norris, above

2. "America's Got Talent" (Wednesday, 9 p.m.), NBC, 9.85

3. "America's Got Talent" (Tuesday), NBC, 8.7

4. "NCIS," CBS, 8.47

5. "60 Minutes," CBS, 8.36